Arched doghouse



FIG. 1 is a perspective view of an ornamental design for an arched doghouse according to the invention;

FIG. 2 is a front view of an ornamental design for an arched doghouse according to the invention;

FIG. 3 is a rear view of an ornamental design for an arched doghouse according to the invention;

FIG. 4 is a left side view of an ornamental design for an arched doghouse according to the invention;

FIG. 5 is a top view of an ornamental design for an arched doghouse according to the invention; and,

FIG. 6 is a bottom view of an ornamental design for an arched doghouse according to the invention. 

The ornamental design for an arched doghouse, as shown and described. 